Sterilizer unit



FIG. 1 is a perspective view of my new sterilizer unit design, with the cover in the open position;

FIG. 2 is a view similar to FIG. 1, but with the unit cover in the closed position;

FIG. 3 is a right side elevational view of my sterilizer unit, as viewed in the condition of FIG. 2;

FIG. 4 is a left side elevational view of my sterilizer unit, in the closed condition of FIG. 2;

FIG. 5 is a front elevational view of my unit in the condition of FIG. 2;

FIG. 6 is a top plan view, with the cover closed;

FIG. 7 is a rear elevational view of my sterilizer unit; and

FIG. 8 is a bottom plan view of the unit. 

The ornamental design for a sterilizer unit, substantially as shown and described. 